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Evoked Potentials and Cranial Ultrasonography as a Prognostic Method in Newborn with Asphyxia

Journal of the Korean Pediatric Society 2001;44(10):1162-1167.
Published online October 15, 2001.
Evoked Potentials and Cranial Ultrasonography as a Prognostic Method in Newborn with Asphyxia
Hyung Jin Kim1, Hee Kang1, Byoung Min Choi2, Kee Hwan Yoo1, Young Sook Hong1, Joo Won Lee1, Soon Kyum Kim1
1Department of Pediatrics, College of Medicine, Korea University, Seoul, Korea
2Department of Pediatrics, College of Medicine, Kwandong University, Seoul, Korea
신생아 가사 환아에서 뇌초음파 및 뇌유발전위검사 소견과 신경학적 예후에 관한 연구
김형진1, 강희1, 최병민2, 유기환1, 홍영숙1, 이주원1, 김순겸1
1고려대학교 의과대학 소아과학교실
2관동대학교 의과대학 소아과학교실
Correspondence: 
Hyung Jin Kim, Email: khj52997@hanmail.net
Abstract
Purpose
: This study was aimed at finding a diagnostic tool which is useful in predicting the neurologic outcome of the asphyxiated newborns.
Methods
: 31 newborns with asphyxia were evaluated by brainstem evoked potentials and cranial ultrasonography(CUS). During the neonatal follow-up, we evaluated the development of the babies with Bayley Scale of Infant Development II and INFANIB on corrected age of 14 months.
Results
: The positive prognostic value of cranial ultrasonography was 72.5% and the negative predictive value was 75.0%. Auditory evoked potential(AEP) showed poor prognostic accuracy in comparison to visual evoked potential(VEP) which showed best prognostic value(85.7%) and somatosensory evoked potential(SEP) with best negative prognostic value(81.3%).
Conclusion
: We would like to emphasize that combined modalities such as SEP snd CUS were more accurate in predicting neurologic outcomes of asphyxiated newborns than evoked potential or CUS read independently. SEP and CUS combination was useful in predicting neurologic outcome of asphyxiated newborn as well as VEP and SEP.
Key Words: Asphyxia, Evoked potential, Ultrasonography


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